trout articles
What key external marking differentiates a pure Paiute Cutthroat Trout?
What was the primary cause leading to the dramatic decline of the Paiute Cutthroat Trout population?
In which specific geological region is the surviving habitat of the Paiute Cutthroat Trout almost entirely confined?
Which defining feature gives all cutthroat trout, including the Paiute subspecies, their namesake?
What conservation action involves the selective removal of invasive fish above natural barriers?
Which government agencies are specifically mentioned as leading the conservation effort for the Paiute Trout?
What status was assigned to the Paiute Cutthroat Trout following its extirpation from much of its native range?
What notable success story location involved the reintroduction of Paiute Cutthroat Trout into historical waters?
Which other native trout subspecies is mentioned as critically imperiled alongside the Paiute Trout?
What distinction is highlighted between 'rarity' based on distribution versus 'rarity' based on population size?
What specific water temperature typically limits where bull trout can successfully spawn and rear young?
What is the name for the nests excavated by female bull trout in gravel beds during the fall spawning season?
What ecological role did the migrating bull trout historically fulfill across the watershed between different elevations?
How did the construction of massive hydroelectric dams specifically impact migratory bull trout populations in the Columbia and Snake River systems?
What characteristic is believed to inspire the common name of the bull trout, *Salvelinus confluentus*?
In what year did the U.S. Fish and Wildlife Service list the bull trout as threatened under the Endangered Species Act across most of its U.S. range?
What direct result of logging practices, particularly clear-cutting near streams, negatively affected bull trout egg incubation?
What key modern insight gained from research dictates that bull trout conservation success is highly dependent on the exchange between separated populations?
Which major river systems historically encompassed the bull trout's massive distribution west of the Continental Divide in North America?
Approximately how long do young bull trout spend dependent on the clean gravel habitats of their natal streams before migrating to larger waters?
What is the federal protection status of the bull trout under the ESA in the lower 48 states?
What estimated percentage of its historical distribution has the bull trout lost?
What is the optimal Fahrenheit temperature range for bull trout stream survival?
What specific substrate do bull trout rely on for successful redd construction and egg incubation?
What is a primary negative consequence when dams interrupt the complex migratory routes of bull trout?
Which introduced species is specifically named as a source of hybridization threat to the bull trout gene pool?
What distinguishing physical feature is mentioned that can help set bull trout apart from true trout species?
Why are smaller, less interconnected bull trout populations genetically less resilient?
What is one specific conservation action focused on restoring habitat connectivity for bull trout?